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Thermal stability of aflatoxin B1 and ochratoxin A.

Mycotoxin research·2013
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Study on distribution of mycotoxins in cocoa beans.

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Related Experiment Video

Updated: May 12, 2026

Methodology to Test Control Agents and Insecticides Against the Coffee Berry Borer Hypothenemus hampei
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No OTA in fresh cocoa beans.

M Raters1, R Matissek

  • 1Food Chemistry Institute (LCI) of the Association of the German Confectionery Industry, Adamsstrasse 52-54, 51063, Cologne, Germany, marion.raters@lci-koeln.de.

Mycotoxin Research
|April 23, 2013
PubMed
Summary

Ochratoxin A (OTA) was not detected in cocoa pods during the ripening and harvesting phases. This study investigated the initial entry point of this mycotoxin into the cocoa supply chain.

Area of Science:

  • Food Science
  • Mycology
  • Agricultural Science

Background:

  • Ochratoxin A (OTA) contamination in cocoa and chocolate is a known issue.
  • The origin and development of OTA-producing molds and OTA itself within the cocoa supply chain remain largely uninvestigated.
  • Understanding where mycotoxins enter the supply chain is crucial for food safety.

Purpose of the Study:

  • To investigate the potential for ochratoxin A (OTA) contamination in cocoa pods during the ripening and harvesting stages.
  • To identify the initial entry point of OTA into the cocoa supply chain.
  • To determine if healthy cocoa pods are a source of OTA.

Main Methods:

  • Analysis of OTA content in a selection of fresh, undamaged cocoa pods from various growing regions.

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  • Inclusion of a small sample of damaged or moldy cocoa pods for comparative examination.
  • Utilizing analytical methods to detect and quantify OTA in cocoa pod samples.

    • Main Results:

    • OTA was not detectable in any of the analyzed cocoa pods.
    • The ripening phase of healthy cocoa pods, from tree to harvest, was not identified as a critical period for OTA occurrence.
    • Initial findings suggest OTA does not originate from healthy cocoa pods during these early stages.

    Conclusions:

    • Healthy cocoa pods during the ripening and harvesting phases do not appear to be a source of ochratoxin A.
    • Further research is needed to pinpoint the exact stage and source of OTA contamination in the cocoa supply chain.
    • This study provides foundational data for future investigations into mycotoxin management in cocoa production.